Year	% of total primary
2012	0
2013	0.0794899985194206
2014	0.108659997582436
2015	0.13230000436306
2016	0.121650002896786
2017	0.154919996857643
2018	0.238739997148514
2019	0.353320002555847
2020	0.495480000972748
2021	0.613210022449493
2022	0.726100027561188